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The side A B
of a parallelogram A B C D
is produced to any point Pdot
A line through A
parallel to C P
meets C B
produced in Q
and the parallelogram P B Q R
completed. Show that a r(^(gm)A B C D)=a r(^(gm)B P R Q)dot
CONSTRUCTION : Join A C
and PQ.
TO PROVE : a r(^(gm)A B C D)=a r(^(gm)B P R Q)